* {
    padding: 0;
    margin: 0;
}

ul li {
    list-style: none;
}

.clear {
    clear: both;
}

a {
    text-decoration: none;
    border-bottom: none;
}

body {
    width: 1920px;
    margin: 0 auto !important;
    overflow-x: hidden;
}


/* header start */

.header {
    width: 1920px;
    height: 121px;
    margin: 0 auto;
    background-color: white;
}

.page {
    width: 1200px;
    margin: 0 auto;
}

.header_nav {
    display: flex;
    justify-content: space-between;
}

.header_nav_left {
    width: 308px;
    height: 121px;
}

.header_nav_left img {
    display: inline-block;
    width: 308px;
    height: 121px;
}

.header_nav_right {
    position: relative;
    width: 209px;
    height: 72px;
    margin-top: 29px;
}

.header_right_top {
    margin-top: 10px;
}

.header_right_bottom {
    margin-top: 10px;
}

.header_right_bottom::before {
    position: absolute;
    content: "";
    display: block;
    left: -35px;
    top: 10px;
    width: 27px;
    height: 22px;
    background-image: url('../img/Vector.png');
}

.header_right_top::before {
    position: absolute;
    content: "";
    display: block;
    left: -35px;
    top: 40px;
    width: 27px;
    height: 22px;
    background-image: url('../img/Group45.png');
}


/* header end */


/* nav start */

.nav {
    width: 1920px;
    height: 48px;
    margin: 0 auto;
    background-color: #C4181F;
}

.nav_main {
    display: flex;
    justify-content: space-between;
}

.nav_left {
    width: 800px;
    height: 48px;
}

.nav_left ul>li {
    position: relative;
    display: inline-block;
    width: 116px;
    height: 48px;
    /* margin-left: -5px; */
    text-align: center;
    color: #FFFFFF;
    font-size: 16px;
    line-height: 48px;
}

.nav_left ul>li:hover .two_menu {
    transform: scaleY(1);
    transition: all 0.6s;
}

.nav_left ul>li a {
    display: inline-block;
    width: 116px;
    height: 48px;
    text-decoration: none;
    color: #FFFFFF;
    font-size: 16px;
    line-height: 48px;
}

.nav_left ul>li a:hover {
    background-color: #A71017;
    border-bottom: none;
}

.two_menu {
    position: absolute;
    left: 0px;
    top: 48px;
    display: inline-block;
    width: 116px;
    height: 40px;
    transform: scaleY(0);
    transform-origin: 50% 0;
    z-index: 9999999;
}

.two_menu li:hover {
    background-color: #4B4B4B;
}

.two_menu li {
    background-color: #C4C4C4;
}

.nav_right {
    position: relative;
    width: 242px;
    height: 32px;
    margin-right: 30px;
    color: #FFFFFF !important;
    font-size: 16px !important;
    line-height: 46px;
    border-radius: 50px;
}

.nav_right::before {
    position: absolute;
    content: "";
    display: block;
    top: 15px;
    right: 5px;
    width: 20px;
    height: 20px;
    transform: scale(0.8);
    background-image: url('../img/search.png');
}

.nav_right input {
    box-sizing: content-box;
    padding-left: 15px;
    width: 242px;
    height: 32px;
    color: #FFFFFF;
    line-height: 32px;
    outline: none;
    border: 0;
    background: #A71017;
    border-radius: 50px;
}


/*更改placehold里面字体的样式 */

.nav_right_input::-webkit-input-placeholder {
    color: #FFFFFF;
    font-size: 16px;
}


/* nav end */